ComputeCommand QML Type

Component to issue work for the compute shader on GPU. 更多...

import 语句：	import Qt3D.Render 2.5
实例化：	QComputeCommand
继承：	Component3D

所有成员列表，包括继承成员

特性

runType : enumeration
workGroupX : int
workGroupY : int
workGroupZ : int

详细描述

A ComputeCommand is used to issue work for the compute shader. The compute shader is specified in the Material component of the same entity the ComputeCommand is added to. The workGroupX , workGroupY and workGroupZ properties specify the work group sizes for the compute shader invocation. DispatchCompute node needs to be present in the FrameGraph to actually issue the commands. The execution behavior of the compute command can be controlled with the run type property.

注意： If the rendering policy is set to RenderSettings .OnDemand, the run type is set to Continuous and there are no changes to the scene, the ComputeCommand will not be invoked repeatedly. The RenderSettings .Always render policy must be set for the ComputeCommand to be repeatedly invoked if there are no other changes to the scene that triggers rendering a new frame.

特性文档编制

runType : enumeration

Specifies whether the compute command should be performed every frame or manually triggered.

常量	描述
`ComputeCommand.Continuous`	Compute command is executed everyframe. This is the default.
`ComputeCommand.Manual`	CompouteCommand is executed for a given number of frames and then the component disables itself.

workGroupX : int

Specifies X workgroup size.

workGroupY : int

Specifies Y workgroup size.

workGroupZ : int

Specifies Z workgroup size.